About Us
Advancing Obesity Science.
Transforming Care. Improving Lives.
For more than 40 years, The Obesity Society (TOS) has been the leading scientific authority driving progress in obesity research, education, and evidence-based care. Together with our members and partners, we translate rigorous science into real-world solutions that improve health outcomes for people living with obesity.
Welcome to The Obesity Society
Where Science Becomes Better Care.
The Obesity Society (TOS) is the trusted home for obesity science—bringing together researchers, clinicians, educators, and advocates to accelerate discovery, remove barriers to care, and elevate the quality of obesity treatment worldwide.
Our members lead groundbreaking research, develop clinical best practices, and transform patient experiences by turning data, lived experience, and innovation into meaningful action.
Mission-Driven Impact
Turning Evidence into Impact.
Obesity is complex—and so is the work required to address it. TOS embraces every dimension of obesity, from prevention and biology to clinical treatment, policy, and education. Through decades of translational research, we bridge the gap between science and care so patients benefit faster, more equitably, and more effectively.
At TOS, progress is happening—across labs, clinics, classrooms, and communities.
Core Strengths
Why The Obesity Society
The Gold Standard in Obesity Science
University-led, evidence-driven, and respected worldwide for scientific rigor and integrity.
Translational by Design
We don’t stop at discovery—we move science into practice, policy, and patient care.
Comprehensive & Inclusive
Addressing the full spectrum of obesity while fostering a multidisciplinary, welcoming community.
A Home for Growth & Connection
From mentorship and CME to collaboration and leadership development, TOS supports careers—and the next generation of leaders.
Membership-Focused
A Place Where You Belong—and Where Progress Happens
TOS is more than a professional society. It’s a trusted, inclusive space where diverse, brilliant, and passionate individuals come together with a shared commitment to improving lives through science.
Members describe TOS as:
- A source of pride and purpose
- A place of rigorous, credible knowledge
- A collaborative community—“the moment I found my tribe”
Here, innovation thrives. Partnerships grow. And meaningful change is created—together.
HIGHLIGHTED MEMBER
Wayne Ho, MD
Los Angeles, California
HIGHLIGHTED MEMBER
Robyn Pashby, PhD
Washington, DC
HIGHLIGHTED MEMBER
Faith Anne Heeren, PhD
Winston-Salem, North Carolina
Take the Next Step
Get Involved.
Join Today.
As a member of the TOS community, you are part of a global multidisciplinary network of researchers, clinicians, educators, and advocates working to address one of the most complex and pressing public health challenges of our time.
MEMBER BENEFITS:
- Education & Resources: Access evidence-based research, clinical guidelines, webinars, and on‑demand learning, including Obesity and Obesity Science & Practice journals.
- Networking & Collaboration: Connect with leading experts through committees, sections, and events like ObesityWeek®.
- Advocacy & Policy: Support efforts to advance recognition of obesity as a chronic disease and expand access to quality care.
- Professional Development: Build your career with leadership opportunities, mentorship, and flexible On-Demand programs for all career stages.
REAL-LIFE RESULTS
We Generate Results for Our Network
GET CONNECTED
Check Out Our Upcoming Events
Get connected with the latest developments in obesity research, care, and policy. Our upcoming events bring together leading experts, clinicians, researchers, and advocates through conferences, webinars, workshops, and virtual learning opportunities.
Explore our upcoming events and find opportunities to learn, connect, and lead.
